Shopping Flow

npm install @botmesh/core @botmesh/baileys

// bot.js
import { Bot, defineBot, flow, isMainModule, slashCommandsPlugin } from '@botmesh/core'
import { BaileysProvider } from '@botmesh/baileys'

const PRODUCTS = {
  phone: { label: '📱 Phone ($599)', price: 599 },
  shirt: { label: '👕 Shirt ($25)', price: 25 },
  lamp: { label: '🏠 Lamp ($35)', price: 35 },
}

const createBot = defineBot((provider) => {
  const bot = new Bot({
    provider,
    // Sent when a wait of the flow times out
    conversation: { timeoutMessage: '⏰ Your cart expired. Send "shop" to start again.' },
  })
  bot.plug(slashCommandsPlugin)

  // A reusable sub-flow: runs inline from the checkout and comes back
  const address = flow([]).ask('🏠 Street and number?', 'street').ask('🏙️ City?', 'city')

  bot.use(
    flow('shop')
      .timeout('2m')
      .choose('🛒 *What do you want to buy?*', {
        phone: PRODUCTS.phone.label,
        shirt: PRODUCTS.shirt.label,
        lamp: PRODUCTS.lamp.label,
      }, 'product')
      .choose('How many?', { one: '1 unit', two: '2 units', three: '3 units' }, 'qty')
      .say((_ctx, c) => {
        const qty = { one: 1, two: 2, three: 3 }[c.state.qty]
        const product = PRODUCTS[c.state.product]
        c.state.total = qty * product.price
        return `🧾 ${qty} × ${product.label} = $${c.state.total}`
      })
      .choose('Confirm your order?', {
        yes: { label: 'Yes ✅', then: address },
        change: { label: '⬅️ Pick another product', goto: 'shop' },
      })
      .say((_ctx, c) => `📦 Order placed: $${c.state.total}, shipping to ${c.state.street}, ${c.state.city}.`),
  )

  bot.onMessage((ctx) => ctx.reply('Send "shop" to start shopping.'))

  return bot
})

export default createBot

// `node bot.js` connects to WhatsApp; `npx botmesh dev bot.js` skips this block
if (isMainModule(import.meta)) {
  const bot = await createBot(new BaileysProvider({ session: 'shop-bot' }))
  bot.on('ready', () => console.log('✅ Connected. Send "shop" from another phone.'))
  await bot.start()
}

user › shop
bot › 🛒 *What do you want to buy?*

      1) 📱 Phone ($599)
      2) 👕 Shirt ($25)
      3) 🏠 Lamp ($35)
user › 1
bot › How many?

      1) 1 unit
      2) 2 units
      3) 3 units
user › 2
bot › 🧾 2 × 📱 Phone ($599) = $1198
bot › Confirm your order?

      1) Yes ✅
      2) ⬅️ Pick another product
user › 2
bot › 🛒 *What do you want to buy?*

      1) 📱 Phone ($599)
      2) 👕 Shirt ($25)
      3) 🏠 Lamp ($35)
user › 2
bot › How many?

      1) 1 unit
      2) 2 units
      3) 3 units
user › 3
bot › 🧾 3 × 👕 Shirt ($25) = $75
bot › Confirm your order?

      1) Yes ✅
      2) ⬅️ Pick another product
user › 1
bot › 🏠 Street and number?
user › 742 Evergreen Terrace
bot › 🏙️ City?
user › Springfield
bot › 📦 Order placed: $75, shipping to 742 Evergreen Terrace, Springfield.